[Sheriff] Disable flaky test NestedSurfaceHitTestTest

SitePerProcessNonIntegerScaleFactorHitTestBrowserTest
::NestedSurfaceHitTestTest is flaky.

TBR=kenrb@chromium.org

Bug: 1014602
Change-Id: If7c69bcf4a50c8e7b2646ec8826ea0115018cca6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1862663
Commit-Queue: Parastoo Geranmayeh <parastoog@google.com>
Reviewed-by: Parastoo Geranmayeh <parastoog@google.com>
Cr-Commit-Position: refs/heads/master@{#706161}

content/browser/site_per_process_hit_test_browsertest.cc

@@ -2554,15 +2554,17 @@ IN_PROC_BROWSER_TEST_P(SitePerProcessHighDPIHitTestBrowserTest,
   SurfaceHitTestTestHelper(shell(), embedded_test_server());
 }
 
+// TODO(crbug/1014602): NestedSurfaceHitTestTest is flaky.
+
 // Test that mouse events are being routed to the correct RenderWidgetHostView
 // when there are nested out-of-process iframes.
 IN_PROC_BROWSER_TEST_P(SitePerProcessHitTestBrowserTest,
-                       NestedSurfaceHitTestTest) {
+                       DISABLED_NestedSurfaceHitTestTest) {
   NestedSurfaceHitTestTestHelper(shell(), embedded_test_server());
 }
 
 IN_PROC_BROWSER_TEST_P(SitePerProcessHighDPIHitTestBrowserTest,
-                       NestedSurfaceHitTestTest) {
+                       DISABLED_NestedSurfaceHitTestTest) {
   NestedSurfaceHitTestTestHelper(shell(), embedded_test_server());
 }
 
@@ -6279,7 +6281,7 @@ IN_PROC_BROWSER_TEST_P(SitePerProcessNonIntegerScaleFactorHitTestBrowserTest,
 }
 
 IN_PROC_BROWSER_TEST_P(SitePerProcessNonIntegerScaleFactorHitTestBrowserTest,
-                       NestedSurfaceHitTestTest) {
+                       DISABLED_NestedSurfaceHitTestTest) {
   NestedSurfaceHitTestTestHelper(shell(), embedded_test_server());
 }